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Thu, 01 Mar 2007 03:13:53 GMT

Fruit juice can make you fat

Fruit juice can make you fat
If you stopped drinking sodas and switched to fruit juices, watch your intake, most of fruit juices contain more carbs (sugars) and calories then you think.

Although 100 percent fruit juice contains tons of vitamins, minerals and other healthy stuff, women tend to forget that these drinks contain calories and sugars as well. For instance, one glass of 100 percent orange juice contains 110 calories and 27 grams of carbs, 23 of which sugar. If you're watching your weight and choose 100 percent fruit juice instead of the unhealthy sodas, this might come as a big surprise in form of additional fat round your hips.

This is because it takes a lot of fruits to make one glass of juice. Even though you wouldn't think of eating 20 oranges in one day when dieting, you will nonetheless drink them up, together with sugars and calories if you drink juice.

I say, stick to water and eat your veggies and fruits the ordinary way. If you can't lie without juice, mix it with water or try vegetable juice instead.

Posted by: Doreen      Read more     Source

February 21, 2007, 8:53 PM CT

protein linked to elevated BMI

protein linked to elevated BMI
University of Minnesota scientists have discovered a variant of a common blood protein, apolipoprotein C1, in people of American Indian and Mexican ancestry that is associated with elevated body mass index (BMI), obesity and Type 2 diabetes.

The finding were reported in the Feb. 20 online issue of the International Journal of Obesity.

Lead investigator Gary Nelsestuen, a professor in the College of Biological Sciences department of biochemistry, said the abnormal protein may promote metabolic efficiency and storage of body fat when food is abundant. This could have provided a survival advantage to American Indians in the past when food was scarce. The discovery can be used to identify those who are at risk for diabetes and to guide diet and lifestyle choices to prevent diabetes.

Apolipoprotein C1 is a component of high density lipoprotein (HDL) and low density lipoprotein (LDL). HDL cholesterol is often referred to as good cholesterol, while LDL is called bad cholesterol. The common form of C1 tends to be found in the high-density protein complexes (HDL) that ferry cholesterol to storage depots in the body and are associated with lower cardiovascular disease risk. But the variant form of C1 tends to become part of low density protein complexes (LDL), which transport cholesterol to arterial walls and are linked to higher cardiovascular disease risk. Thus, having the variant could tip the balance of cholesterol carriers and lead toward depletion of HDL-also a risk factor for heart disease. The variant differs from the normal protein by a single change in one of its 57 amino acids.........

Posted by: Evelyn      Read more         Source

February 20, 2007, 7:31 PM CT

Living In Densely Populated Areas Linked To Lower Body Mass

Living In Densely Populated Areas Linked To Lower Body Mass
New York City dwellers who reside in densely populated, pedestrian-friendly areas have significantly lower body mass index levels in comparison to other New Yorkers, as per a new study by the Mailman School of Public Health. Placing shops, restaurants and public transit near residences may promote walking and independence from private automobiles.

"There are relatively strong associations between built environment and BMI, even in population-dense New York City," said Andrew Rundle, DrPH assistant professor of Epidemiology at the Mailman School and lead author.

The scientists looked at data from 13,102 adults from New York Citys five boroughs. Matching information on education, income, height, weight and home address with census data and geographic records, they determined respondents access to public transit, proximity to commercial goods and services and BMI, a measure of weight in relation to height.

The authors discovered that three characteristics of the city environment living in areas with mixed residential and commercial uses, living near bus and subway stops and living in population-dense areas were inversely linked to BMI levels. For example, city dwellers living in areas evenly balanced between residences and commercial use had significantly lower BMIs in comparison to New Yorkers who lived in mostly residential or commercial areas.........

Posted by: Evelyn      Read more         Source

February 7, 2007, 5:03 AM CT

Children who sleep less more likely to be overweight

Children who sleep less more likely to be overweight
Research indicates that getting inadequate sleep has negative effects on children's social and emotional well-being and school performance. Now a Northwestern University study finds it also increases their risk of being overweight.

The study -- conducted in two waves of data collection approximately five years apart -- is the first nationally representative, longitudinal investigation of the relationship between sleep, Body Mass Index (BMI) and overweight status in children aged 3 to 18.

"Our study suggests that earlier bedtimes, later wake times and later school start times could be an important and relatively low-cost strategy to help reduce childhood weight problems," says Emily Snell. Snell is co-author of "Sleep and the Body Mass Index and Overweight Status of Children and Adolescents" in the Jan./Feb. issue of Child Development.

"We found even an hour of sleep makes a big difference in weight status," said Snell, a Northwestern doctoral student in human development and social policy. "Sleeping an additional hour reduced young children's chance of being overweight from 36 percent to 30 percent, while it reduced older children's risk from 34 percent to 30 percent."

The Northwestern study not only differs from most other investigations of the effects of sleep on children's weight in its five-year approach. It also helps disentangle the issue of whether sleep actually affects weight or whether children who already are overweight are simply poor sleepers. In addition, it takes into account the possible effects of other variables including race, ethnicity and income.........

Posted by: Evelyn      Read more         Source

February 6, 2007, 9:38 PM CT

Thinking You Got A Work Out May Actually Make You Healthier

Thinking You Got A Work Out May Actually Make You Healthier
As the commitment to our New Year's resolutions wanes and the trips to the gym become more infrequent, new findings appearing in the recent issue of Psychological Science may offer us one more chance to reap the benefits of exercise through our daily routine. Harvard University psychology expert Ellen Langer and her student Alia Crum observed that a number of of the beneficial results of exercise are due to the placebo effect.

The surgeon general recommends 30 minutes of daily exercise to maintain a healthy lifestyle. While this may be harder for those who are mandatory to sit behind a desk for eight hours, other jobs are inherently physical, like a hotel housekeeper. On average, they clean 15 rooms per day, each taking 20 to 30 minutes to complete. As per the study, the housekeepers might not perceive their job as exercise, but if their mind-set is shifted so that they become aware of the exercise they are getting, then health improvements would be expected to follow.

The scientists studied 84 female housekeepers from seven hotels. Women in 4 hotels were told that their regular work was enough exercise to meet the requirements for a healthy, active lifestyle, whereas the women in the other three hotels were told nothing. To determine if the placebo effect plays a role in the benefits of exercise, the scientists investigated whether subjects' mind-set (in this case, their perceived levels of exercise) could inhibit or enhance the health benefits of exercise independent of any actual exercise.........

Posted by: Evelyn      Read more         Source

February 5, 2007, 9:28 PM CT

Weight loss linked to CHF

Weight loss linked to CHF
Various reports have suggested that increased BMI in patients with HF or who are undergoing percutaneous coronary intervention or have established CAD may be associated with decreased mortality and morbidity. Pepine said this has been called the “obesity paradox.”

In November, data were presented by researcher Stefan D. Anker, MD, PhD, professor for applied cachexia research, department of cardiology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum, at the American Heart Association Scientific Sessions 2006 that added support to this paradox.

However, “all of these data are observational data and cannot be used to imply cause and effect,” Pepine said. A definitive, prospective study is needed that would randomize patients to a weight loss group or a weight maintenance group for more definitive answers.........

Posted by: Evelyn      Read more         Source

January 31, 2007, 8:59 PM CT

Mood-food Connection

Mood-food Connection Brian Wansink
© Gilberto Tadday
People feeling sad tend to eat more of less-healthy comfort foods than when they feel happy, finds a new co-author of studyed by a Cornell food marketing expert. However, when nutritional information is available, those same sad people curb their hedonistic consumption. But happier people don't.

In the recent issue of the Journal of Marketing, Brian Wansink, the John S. Dyson Professor of Marketing, Applied Economics and Management at Cornell, and two colleagues describe several studies they devised to test the link between mood and food. For example, they recruited 38 administrative assistants to watch either an upbeat, funny movie ("Sweet Home Alabama") or a sad, depressing one ("Love Story"). Throughout the viewings the participants were offered hot buttered, salty popcorn and seedless grapes.

"After the movies were over and the tears were wiped away, those who had watched 'Love Story' had eaten 36 percent more popcorn than those who had watched the upbeat 'Sweet Home Alabama,'" said Wansink, author of the recent book "Mindless Eating: Why We Eat More Than We Think" (Bantam Books). "Those watching 'Sweet Home Alabama' ate popcorn and popped grapes, but they spent much more time popping grapes as they laughed through the movie than they did eating popcorn".........

Posted by: Evelyn      Read more         Source

January 30, 2007, 7:24 PM CT

Traits In Weight-loss Supplement

Traits In Weight-loss Supplement Martha Belury
A supplement some people turn to in hopes of losing a few pounds may have some previously unknown, unsavory side effects, suggest two new studies.

Scientists studied how mice and rats responded to the supplement conjugated linoleic acid (CLA), an essential amino acid found in trace amounts primarily in beef, lamb and milk. Synthetic forms of CLA are marketed as supplements that help reduce body fat, and some manufacturers also tout CLA for reducing the risk of diabetes and certain types of cancer.

The mice and rats responded in very different ways to CLA, said Martha Belury, the lead author of both studies and an associate professor of human nutrition at Ohio State University.

Mice fed a CLA-supplemented diet lost weight very fast, but also accumulated excessive amounts of fat in their livers - a common side effect of rapid weight loss. Excessive fat accumulation in the liver is associated with insulin resistance, a hallmark of Type 2 diabetes.

Yet CLA didn't help rats lose weight they had gained previous to taking the supplement. But it effectively decreased the amount of fat that had accumulated in the animals' livers due to the weight gain. In turn, the rats were less resistant to insulin.

"A number of people take CLA as a supplement in hopes of trimming body fat, and it seems to work," Belury said. "But we're not sure what else it does to the body. Studying CLA's effects in two different animal models may help us to better understand any additional effects in humans.........

Posted by: Evelyn      Read more         Source

January 26, 2007, 4:31 AM CT

Assessing Diet And Exercise In Adolescents

Assessing Diet And Exercise In Adolescents
Do adolescents get enough exercise and eat the right foods? Is there too much fat in their diets? As per a research findings reported in the February 2007 issue of the American Journal of Preventive Medicine, scientists analyzed the behavior of almost 900 11-to-15 year-olds and observed that nearly 80% had multiple physical activity and dietary risk behaviors, almost half had at least three risk behaviors, and only 2% met all four of the health guidelines in the study.

Using both physical measurements and surveying techniques, four behaviors were assessed: physical activity, television viewing time, percent calories from fat, and daily servings of fruits and vegetables. In addition, parental health behaviors were sampled.

Fifty-five percent of adolescents did not meet the physical activity guideline, eventhough significantly more boys (59%) than girls (33.6%) did meet the standard. About 30% exceeded 2 hours of television viewing time and the majority of the sample did not meet dietary standards. Only 32% and 11.9% of the sample met the recommendations for fat consumption and servings of fruits and vegetables, respectively.

There was some evidence that parents' health behaviors were linked to adolescents' health behaviors. For the girls, two parent health behaviors-never smoking and meeting fruit and vegetable guidelines-were linked to fewer adolescent risk behaviors. Parents' number of risk behaviors was weakly but positively linked to a higher number of risk behaviors in boys.........

Posted by: Evelyn      Read more         Source

January 16, 2007, 9:32 PM CT

One-third Of Children Having Surgery Overweight Or Obese

One-third Of Children Having Surgery Overweight Or Obese
A very high proportion of children who are having surgery are overweight or obese, and because of the excess weight have a greater chance of experiencing problems linked to the surgery, as per a new study from the University of Michigan Health System.

Scientists looked at a database of all 6,017 pediatric surgeries at the U-M Hospital from 2000 to 2004, and they observed that nearly a third of the patients - 31.5 percent - were overweight or obese. More than half of those children qualified as obese, as per the study, which appears in the new issue of the Journal of the National Medical Association.

The prevalence of overweight children having surgery presents challenges to surgeons, anesthesiologists and their teams. Overweight adult patients are more likely to have conditions such as type II diabetes, hypertension, asthma and other breathing problems, and are more likely to develop infections in their wounds after surgery. The scientists on this study say those conditions also are becoming common among overweight and obese children.

The results also suggest that children who are overweight or obese have an increased likelihood of requiring certain types of surgery. The surgeries these children were having performed most frequently included the removal of tonsils and adenoids, as well as other surgeries designed to assist with breathing problems and sleep apnea; orthopedic surgeries to fix broken bones and other ailments; and procedures designed to mend digestive and gastrointestinal issues.........

Posted by: Evelyn      Read more         Source

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